1, engaged in long-term and is a long thing close work, should be every 20 ~ 30 minutes after a break of 3 ~ 5 minutes, close your eyes or look into the distance for a while. That is, whether reading, writing, watching TV, playing computer and other look close to do so. 2, the light must be appropriate, the light should be sufficient and comfortable, light is too weak in the normal distance to see close to be unable to see will be looking closer and closer, the light is too strong will allow the eyes to be too much light stimulation, the eyes will be very easy to fatigue. Light to avoid reflections, the desktop should be lighted devices, the purpose of which is to reduce reflections in order to reduce the damage to the eyes. 3, look close to the distance, that is, when reading or writing, the distance between the book and the eyes to 33 centimeters for good, should maintain the correct posture, and the height of the table and chair and Hug match, can not be forced to make do. 4, to do “six don’t” that is a: don’t lie down to read; b: don’t continuous long time to look close; c: don’t lie on the table and tilt your head to look at things; d: don’t look at things in the light is too dark or too bright; e: don’t force to look at too small things, printing is not clear book or display bad screen; f: don’t walk, ride in the car Read books; 5, sitting posture in the upright, not hunched over, the closer or lying down to look close to the ciliary muscle is easy to cause excessive tension, which in turn causes myopia. 6, have regular living habits, to ensure adequate sleep, sleep is not too little, lack of sleep the body is easy to fatigue, easy to cause pseudomyopia. 7, watch TV distance is not too close, watch TV should be kept with the TV screen diagonal 6 to 8 times the distance, generally more than three meters, and to every 30 minutes must rest a moment. Playing the computer should not be more than one hour continuously on the machine. 8, daily attention to eye hygiene, do not use your hands to rub your eyes, such as eye inflammation or eye disease, should be actively treated. 9, do more outdoor sports, often look away to relax the eyes, to prevent myopia, and more contact with nature, green hills and trees, beneficial to the health of the eyes. 10, nutritional intake should be balanced, do not favoritism, pay special attention to vitamin B intake (germ rice, cereal yeast), refused to accept carbonated beverages. 11, regular vision checkups, where vision is not normal should go to the hospital ophthalmology department for further eye examination. 12. Don’t go out when the sun is too strong and the wind and sand are too strong to prevent the damage of ultraviolet rays and sand. Do not look at blue light source or welding light source, their ultraviolet rays are very strong, to prevent ultraviolet burns.